From e4915fb7d2077584a11a15141bc81d28ed2b0125 Mon Sep 17 00:00:00 2001
From: Kelebek1 <eeeedddccc@hotmail.co.uk>
Date: Sun, 29 Oct 2023 13:50:55 +0000
Subject: Rework time service to fix time passing offline.

---
 src/common/x64/native_clock.cpp | 26 +++++++++++---------------
 src/common/x64/native_clock.h   |  9 +++------
 2 files changed, 14 insertions(+), 21 deletions(-)

(limited to 'src/common/x64')

diff --git a/src/common/x64/native_clock.cpp b/src/common/x64/native_clock.cpp
index 7d2a26bd9..d2d27fafe 100644
--- a/src/common/x64/native_clock.cpp
+++ b/src/common/x64/native_clock.cpp
@@ -8,39 +8,35 @@
 namespace Common::X64 {
 
 NativeClock::NativeClock(u64 rdtsc_frequency_)
-    : start_ticks{FencedRDTSC()}, rdtsc_frequency{rdtsc_frequency_},
-      ns_rdtsc_factor{GetFixedPoint64Factor(NsRatio::den, rdtsc_frequency)},
+    : rdtsc_frequency{rdtsc_frequency_}, ns_rdtsc_factor{GetFixedPoint64Factor(NsRatio::den,
+                                                                               rdtsc_frequency)},
       us_rdtsc_factor{GetFixedPoint64Factor(UsRatio::den, rdtsc_frequency)},
       ms_rdtsc_factor{GetFixedPoint64Factor(MsRatio::den, rdtsc_frequency)},
       cntpct_rdtsc_factor{GetFixedPoint64Factor(CNTFRQ, rdtsc_frequency)},
       gputick_rdtsc_factor{GetFixedPoint64Factor(GPUTickFreq, rdtsc_frequency)} {}
 
 std::chrono::nanoseconds NativeClock::GetTimeNS() const {
-    return std::chrono::nanoseconds{MultiplyHigh(GetHostTicksElapsed(), ns_rdtsc_factor)};
+    return std::chrono::nanoseconds{MultiplyHigh(GetUptime(), ns_rdtsc_factor)};
 }
 
 std::chrono::microseconds NativeClock::GetTimeUS() const {
-    return std::chrono::microseconds{MultiplyHigh(GetHostTicksElapsed(), us_rdtsc_factor)};
+    return std::chrono::microseconds{MultiplyHigh(GetUptime(), us_rdtsc_factor)};
 }
 
 std::chrono::milliseconds NativeClock::GetTimeMS() const {
-    return std::chrono::milliseconds{MultiplyHigh(GetHostTicksElapsed(), ms_rdtsc_factor)};
+    return std::chrono::milliseconds{MultiplyHigh(GetUptime(), ms_rdtsc_factor)};
 }
 
-u64 NativeClock::GetCNTPCT() const {
-    return MultiplyHigh(GetHostTicksElapsed(), cntpct_rdtsc_factor);
+s64 NativeClock::GetCNTPCT() const {
+    return MultiplyHigh(GetUptime(), cntpct_rdtsc_factor);
 }
 
-u64 NativeClock::GetGPUTick() const {
-    return MultiplyHigh(GetHostTicksElapsed(), gputick_rdtsc_factor);
+s64 NativeClock::GetGPUTick() const {
+    return MultiplyHigh(GetUptime(), gputick_rdtsc_factor);
 }
 
-u64 NativeClock::GetHostTicksNow() const {
-    return FencedRDTSC();
-}
-
-u64 NativeClock::GetHostTicksElapsed() const {
-    return FencedRDTSC() - start_ticks;
+s64 NativeClock::GetUptime() const {
+    return static_cast<s64>(FencedRDTSC());
 }
 
 bool NativeClock::IsNative() const {
diff --git a/src/common/x64/native_clock.h b/src/common/x64/native_clock.h
index 334415eff..b2629b031 100644
--- a/src/common/x64/native_clock.h
+++ b/src/common/x64/native_clock.h
@@ -17,18 +17,15 @@ public:
 
     std::chrono::milliseconds GetTimeMS() const override;
 
-    u64 GetCNTPCT() const override;
+    s64 GetCNTPCT() const override;
 
-    u64 GetGPUTick() const override;
+    s64 GetGPUTick() const override;
 
-    u64 GetHostTicksNow() const override;
-
-    u64 GetHostTicksElapsed() const override;
+    s64 GetUptime() const override;
 
     bool IsNative() const override;
 
 private:
-    u64 start_ticks;
     u64 rdtsc_frequency;
 
     u64 ns_rdtsc_factor;
-- 
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